PLATE XXXI. 



PAGE 



Figs. 1-5. Chieoteuthis (?) sp., . . . 173 



Fig. I. Side view of a portion of the pen ; natural size. 



Fig. 2. Dorsal view of a portion, anterior to the last ; natural size. 



Fig. 3. Section through the anterior part of fig. 1 ; natural size. 



Fig. 4. Section through another portion situated some distance behind that shown 

 in fig. 1 ; natural size. 



Fig. 4«.. Section through the anterior part of fig. 2 ; natural size. 



Fig. 5. Section through the extremity of the smallest portion in the collection ; 

 natural size. 



Figs. 6-10. Teacheloteuthis (?) sp., . . 166 



Fig. 6. Dorso-lateral view of a specimen, which had been mounted as a micro- 

 scopic object, and was much compressed ; magnified 4 diameters. 



Fig. 7. Similar view of another specimen, which had been preserved in alcohol ; 

 magnified 4 diameters. 



Fig. 8. Dorsal aspect of the head, showing the prominent lip between the arms ; 

 magnified 7 diameters. 



Fig. 9. Ventral view of the siphon, showing the pits for articulation with the 

 mantle ; magnified 20 diameters. 



Fig. 10. The posterior extremity, showing the form of the pen and the fins ; 

 magnified 4 diameters. 



Figs. 11-14. Cranchia EEiNHARDTii, Steenstrup, . .184 



Fig. 11. Ventral aspect of the head and anterior part of the mantle; magnified 4 

 diameters. 



Fig. 12. The extremity of the tentacle; magnified 20 diameters. 



Fig. 13. One of the larger suckers from the tentacle ; magnified 200 diameters. 



Fig. 14. One of the smaller suckers from the tentacle ; magnified 200 diameters. 



